goog.module('grrUi.semantic.timestampDirective');
goog.module.declareLegacyNamespace();

const timeService = goog.requireType('grrUi.core.timeService');



/**
 * Controller for TimestampDirective.
 * @unrestricted
 */
const TimestampController = class {
  /**
   * @param {!angular.Scope} $scope
   * @param {!angular.jQuery} $element
   * @param {!timeService.TimeService} grrTimeService
   * @ngInject
   */
  constructor($scope, $element, grrTimeService) {
    /** @private {!angular.Scope} */
    this.scope_ = $scope;

    /** @type {?} */
    this.scope_.value;

    /** @private {?string} */
    this.formattedTimestamp;

    /** @private {Array<string>} */
    this.formattedTimestampComponents;

    /** @private {?number} */
    this.value;

    /** @private {!angular.jQuery} $element */
    this.element_ = $element;

    /** @private {timeService.TimeService} grrTimeService */
    this.timeService_ = grrTimeService;

    this.scope_.$watch('::value', this.onValueChange.bind(this));
  }

  /**
   * Handles changes of scope.value attribute.
   *
   * @param {number} newValue Timestamp value in microseconds.
   * @suppress {missingProperties} as value can be anything.
   */
  onValueChange(newValue) {
    if (angular.isDefined(newValue)) {
      if (newValue === null || newValue === 0) {
        this.formattedTimestamp = '-';
      } else {
        var timestamp;
        if (angular.isObject(newValue)) {
          timestamp = newValue.value / 1000;
        } else {
          timestamp = newValue / 1000;
        }

        this.value = timestamp;

        this.formattedTimestamp = this.timeService_.formatAsUTC(timestamp);
        this.formattedTimestampComponents = this.formattedTimestamp.split(' ');
      }
    }
  }

  /**
   * Called when a user hovers the mouse over a timestamp to display the
   * tooltip.
   */
  onMouseEnter() {
    var span = $(this.element_).find('span')[0];

    if (angular.isDefined(this.value)) {
      span.title =
          this.timeService_.getFormattedDiffFromCurrentTime(Number(this.value));
    }
  }
};



/**
 * Directive that displays RDFDatetime values.
 *
 * @return {!angular.Directive} Directive definition object.
 * @ngInject
 * @export
 */
exports.TimestampDirective = function() {
  return {
    scope: {value: '='},
    restrict: 'E',
    templateUrl: '/static/angular-components/semantic/timestamp.html',
    controller: TimestampController,
    controllerAs: 'controller'
  };
};


/**
 * Directive's name in Angular.
 *
 * @const
 * @export
 */
exports.TimestampDirective.directive_name = 'grrTimestamp';

/**
 * Semantic type corresponding to this directive.
 *
 * @const
 * @export
 */
exports.TimestampDirective.semantic_type = 'RDFDatetime';
